more precise cleanup in push-to-web.sh

diff --git a/push-to-web.sh b/push-to-web.sh
index a2811d0..9b134a2 100755 (executable)
--- a/push-to-web.sh
+++ b/push-to-web.sh
@@ -38,7 +38,7 @@ else
 fi
 
 # Revert changes to dygraph-combined.js and docs.
-git checkout dygraph-combined.js
+make clean-combined-test
 git checkout docs/download.html
 rm docs/options.html
 rm -rf $temp_dir